DTC B1A00: Front Relay Control Module Non-Volatile Memory
DTC detecting condition:
- When the access (write) result to the Data Flash is abnormal.
- When the access (read) result to the Data Flash is abnormal.
- When the read data is abnormal.
Trouble symptom:
-
CAUTION:
Before performing diagnosis, refer to "CAUTION" in "General Description". Ref. to FRONT RELAY CONTROL MODULE (DIAGNOSTICS)>General Description>CAUTION .
- CHECK DTC
.
- Turn the ignition switch to ON.
- Read the DTC of [Front Relay Control Module] using the Subaru Select Monitor. Ref. to Front Relay Control Module (Diagnostics)>Diagnostic Trouble Code (DTC) .
Is DTC B1A00 displayed? (Current malfunction)
Yes: Go to 2 .
No: Temporary access error occurred to the flash memory.
- CHECK CONNECTOR
.
- Turn the ignition switch to OFF.
- Disconnect the front relay control module connector.
- Connect the disconnected connectors.
- Turn the ignition switch to ON.
- Read the DTC of [Front Relay Control Module] using the Subaru Select Monitor. Ref. to Front Relay Control Module (Diagnostics)>Diagnostic Trouble Code (DTC) .
Is DTC B1A00 displayed? (Current malfunction)
Yes: Replace Front relay control module. Ref. to BODY CONTROL/COMMUNICATION SYSTEM>FRONT RELAY CONTROL MODULE .
No: Temporary access error occurred to the flash memory.